25160121

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6547}}^1$

素因数の和:6621

約数の個数: 24

約数和(自身を含む): 42221504

約数和(自身を除く): 17061383

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 6547, 19641, 45829, 58923, 137487, 399367, 412461, 1198101, 2795569, 3594303, 8386707, 25160121]

約数ペア:

[(1, 25160121), (3, 8386707), (7, 3594303), (9, 2795569), (21, 1198101), (61, 412461), (63, 399367), (183, 137487), (427, 58923), (549, 45829), (1281, 19641), (3843, 6547)]